HWH 725 SERIES Скачать руководство пользователя страница 8

MP34.2823

23SEP11

WARNING:

HITCHING AND STORING JACKS

THE OPERATOR MUST BE SURE THAT

THERE ARE NO OBJECTS UNDER THE TRAILER AND 

THAT ALL PEOPLE ARE CLEAR OF THE TRAILER.

OPERATING PROCEDURES

2.  Push the rear down arrow (RETRACT button) until
the weight of the trailer is off the rear jacks.

3.  Hitch the trailer to the tow vehicle according to the
manufacturers instructions.  Use the existing landing
gear or the front UP (EXTEND jacks) and DOWN
(RETRACT jacks) arrows.

1.  After the trailer is securely hitched to the tow vehicle,

HITCHING

1.  The master power switch and the HWH canopy lift control
panel key switch must be on to hitch the trailer and store the

The manual UP (extend jacks) and DOWN (retract jacks)
arrows will function anytime the master power switch and
the HWH canopy lift control panel key switch are on if the 
"AUTO LEVEL" or AUTO STORE lights are not flashing.

STORING JACKS

NOTE: If the trailer is equipped with an air suspension,
it is recommended to not connect the tow vehicle air
supply to the trailer until the trailer is hitched to the
tow vehicle and the jacks are not touching the ground.

and the green "TRAVEL MODE" light is on.

lights are out, the jacks are in the STORE/TRAVEL position

3.  The trailer can be moved as soon as the red warning 

2.  Turn the master power switch and HWH key switch off

OR SECURELY SUPPORTED BY THE AUXILIARY

IF THE TRAILER IS HITCHED TO A TOW VEHICLE

ONLY USE THE "STORE" BUTTON

CHECK THAT ALL JACKS ARE FULLY RETRACTED INTO

WARNING LIGHTS.  IT IS THE OPERATOR’S RESPONSIBILITY TO

CREATE A DRIVING HAZARD.  DO NOT RELY SOLELY UPON

SEVERE DAMAGE TO THE JACKS AND OR THE TRAILER AND

WITH THE LEVELING JACKS EXTENDED CAN CAUSE

WITH STRAIGHT-ACTING JACKS.  MOVING THE TRAILER

OR IN THE EXTEND POSITION.  THIS TRAILER IS EQUIPPED

LEVELING JACKS ARE STILL IN CONTACT WITH THE GROUND

DO NOT MOVE THE TRAILER WHILE THE

THE STORE/TRAVEL POSITION.

JACKS.

WARNING:

WARNING:

jacks.

button has been used to retract the jacks, the system 

with all four red WARNING lights out prior to traveling.

reinitiated and the jacks should be completely retracted

starting a store procedure the store procedure should be

IMPORTANT:  If power to the system is interrupted after

thermal expansion.

will automatically retract any jack that extends due to 

the "WARNING" lights condition.

to store for fifty minutes, then shut down regardless of 

"WARNING light does not go out, the system will continue 

individual red "WARNING" lights are out.  If any one red 

will automatically shut down 1 minute after the four 

retracts, its red WARNING light will go out.  The system 

before the rear jacks will begin to retract.  As each jack 

light will flash.  The front jacks will retract for 5 seconds 

press the "AUTO STORE" button.  The store indicator 

a jack to extend slightly.  When the "AUTO STORE" 

NOTE: When traveling thermal expansion may cause 

"CANCEL" button on the HWH touch panel will stop

pushing the "AUTO LEVEL", "AUTO STORE" or the 

IMPORTANT: During the Automatic Store procedures,

the automatic store function.

before traveling.

If jacks cannot be retracted by the above procedure see the
MANUAL JACK RETRACTION section.

Содержание 725 SERIES

Страница 1: ... 724 3408 www hwh com 725 SERIES LEVELING SYSTEM HWH COMPUTER CONTROLLED R Straight Acting Jacks AP49234 R RETRACT EXTEND HWH COMPUTERIZED LEVELING SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE UNDERSTAND OPERATOR S MANUAL BEFORE USING BLOCK FRAME AND TIRES CANCEL STORE AUTO AUTO LEVEL TRAVEL BRAKE MODE WARNING EXCESS SLOPE NOT IN PARK R MANUAL RETRACT EXTEND CORPORATION W H H R Auxilia...

Страница 2: ...fect or problem please do the following 563 724 3396 OR 800 321 3494 Give your name and coach was purchased or the date of system installation Notify the dealership where you purchased the vehicle or had the leveling system installed Dealership management people are in the best position to resolve the problem quickly If the dealer has difficulty solving the problem he should immediately contact th...

Страница 3: ...indicators are jacks down WARNING lights will retract their respective jack pairs to lower the vehicle extend their respective jack pairs to lift the vehicle RETRACT BUTTONS DOWN ARROWS EXTEND BUTTONS UP ARROWS CONTROL BUTTONS WARNING LIGHTS four jacks at the same time AUTO STORE BUTTON AUTO LEVEL BUTTON any leveling system operation CANCEL BUTTON This light will flash during This light will flash...

Страница 4: ...OL SWITCH The LIFT CONTROL SWITCH is a two position momentary switch Pressing the switch in the EXTEND POSITION will raise the canopy Pressing the switch in the RETRACT POSITION will lower the canopy Releasing the LIFT CONTROL SWITCH will halt the operation of the lift CONTROL SWITCH and the leveling system touch panel When the KEY SWITCH is in the ON POSITION the lift and the leveling system can ...

Страница 5: ... pump run time programs will also vary Leveling systems and room extensions that are not controlled by a system processor have no pump run time protection thirty minutes Pump motors used with HWH leveling systems and room extension systems come in 3 different diameters 3 3 7 and 4 5 Contact the vehicle manufacturer or HWH for help with identifying the motor size runs for more than four minutes wit...

Страница 6: ...Y HAZARD DO NOT RELY SOLELY UPON WARNING AND OR THE VEHICLE AND CREATE A DRIVING EXTENDED CAN CAUSE SEVERE DAMAGE TO THE JACKS MOVING THE VEHICLE WITH THE LEVELING JACKS VEHICLE IS EQUIPPED WITH STRAIGHT ACTING JACKS THE GROUND OR IN THE EXTEND POSITION THIS THE LEVELING JACKS ARE STILL IN CONTACT WITH DO NOT MOVE THE VEHICLE WHILE WARNING Maintain adequate clearance in all directions for vehicle ...

Страница 7: ...ll turn the pump on and open the valves for both front jacks When If at this time a yellow level light is on the system will automatically repeat the complete leveling and stabilizing sequence The repeat sequence will only happen if a yellow level light is on at the end of the initial leveling and stabilizing sequence If a yellow level light is still on after the repeat sequence the system will tu...

Страница 8: ...ULLY RETRACTED INTO WARNING LIGHTS IT IS THE OPERATOR S RESPONSIBILITY TO CREATE A DRIVING HAZARD DO NOT RELY SOLELY UPON SEVERE DAMAGE TO THE JACKS AND OR THE TRAILER AND WITH THE LEVELING JACKS EXTENDED CAN CAUSE WITH STRAIGHT ACTING JACKS MOVING THE TRAILER OR IN THE EXTEND POSITION THIS TRAILER IS EQUIPPED LEVELING JACKS ARE STILL IN CONTACT WITH THE GROUND DO NOT MOVE THE TRAILER WHILE THE TH...

Страница 9: ...under the jacks if the ground will not support the trailer The vehicle may be leveled using the manual EXTEND UP ARROW buttons or RETRACT DOWN ARROW buttons on the right half of the panel If a yellow LEVEL SENSING light is on that side end or corner of the vehicle is low It is best to level the vehicle side to side first if needed before front to rear Jacks will extend or retract in pairs to raise...

Страница 10: ... RETRACT POSITION for more than ten seconds after the Do not hold the LIFT CONTROL SWITCH in CONTROL SWITCH IMMEDIATELY canopy is fully retracted or stops moving IMPORTANT IF EITHER SIDE 4 Turn the KEY SWITCH to the OFF POSITION 6 If the room will not retract see the MANUAL CANOPY LOWER PROCEDURE OPERATING PROCEDURES 5 Remove the KEY to prevent undesired operation of the lift IMPORTANT AS THE CANO...

Страница 11: ...ks are extended in pairs both front both rear right front right rear or left front left rear Return valve release cams to valve closed position when finished RETRACTING JACKS WARNING ONLY USE THE RETRACT VALVE CAM RELEASES IF HITCHING THE TRAILER TO THE TOW VEHICLE OR IF THE TRAILER IS SUPPORTED BY THE AUXILIARY MANUAL JACK S ALLOW AMPLE ROOM FOR THE VEHICLE TO MOVE IN ANY DIRECTION WHEN A JACK MA...

Страница 12: ...MP HANDLE SIDE VIEW OF JACK MANIFOLD POWER UNIT more pressure handle in a fore and aft motion to the valve open position Operate the hand pump handle in a fore and aft motion until the canopy is fully lifted The canopy safety locks should snap into place as the canopy becomes fully lifted LOCK RELEASE HANDLE PULL UP TO RELEASE PULL UP TO RELEASE CANOPY RAISED POSITION POSITION LOCK RELEASED LOWERI...

Страница 13: ...ccording to the SYSTEM OPERATION Section Note any abnormal operation Review the JACK RETRACTION Section Make sure the jacks will fully retract to the STORE position Jacks should not interfere with any of the coach when in the STORE All maintenance should be done as part of the normal servicing of the coach clean from weathering light is important position FLUID HWH Specialty Hydraulic Oil is recom...

Страница 14: ... dried This can facilitate corrosion of metallic Anti icing deicing agents when splashed on your vehicle continue to absorb moisture from the air even after they icing deicing agents thoroughly wash jacks with warm To help reduce the corrosion of jacks after exposure to anti soapy water ...

Страница 15: ...ING THE SENSING UNIT AFTER ADJUSTING THE SENSING UNIT BUMP THE SENSING UNIT TO SEE THAT IT IS SETTLED TIGHT AGAINST ALL THREE SCREW HEADS AND STILL INDICATES THAT THE UNIT IS LEVEL Level the vehicle by placing a bubble level in the center of the freezer floor or upon whichever surface within the vehicle that is to be level It is best if the level is placed close to the mounting area of the sensing...

Страница 16: ...NT RIGHT FRONT LEFT REAR RIGHT REAR LEFT REAR RIGHT REAR LEFT FRONT RIGHT FRONT RETRACT PRESSURE RETURN SEE HYDRAULIC LINE CONNECTION DIAGRAM TO REMOTE CANOPY LIFT MANIFOLD JACK VALVES 4 EXTEND VALVES 4 JACK JACK JACK JACK JACK 4 CYLINDER CANOPY LIFT PRESSURE SWITCH IS SET AT 2000 PSI NOTE PUMP RELIEF IS SET AT 2500 PSI ...

Страница 17: ...ER LIFT CAP END ROD END B A B A ROD END CAP END PRESSURE CAP END B CAP END B ROD END A ROD END A CANOPY LIFT MANIFOLD FRONT VIEW D E C RETURN VALVE LIFT CANOPY SYNCHRONIZING CYLINDER ROD END HOSES A FROM CANOPY LIFT CYLINDERS TO SYNCHRONIZING CYLINDER CAP END HOSES B MUST BE THE SAME MUST BE HIGH PRESSURE HOSE OF THE SAME LENGTH AND DIAMETER LENGTH AND DIAMETER VALVE CANOPY LOWER ...

Страница 18: ...ND RETRACT AUTO STORE LEVEL AUTO WARNING BRAKE TRAVEL CANCEL MODE PARK NOT IN EXCESS R SLOPE MANUAL RETRACT EXTEND SEE ELECTRICAL CONNECTION DIAGRAM LEVELING SYSTEM HYDRAULIC MANIFOLD SEE ELECTRICAL CONNECTION DIAGRAM SENSING UNIT DO NOT CUT TERMINATING RESISTOR DO NOT CUT TERMINATING RESISTOR MULTIPLEXED INPUT OUTPUT MODULE SEE ELECTRICAL CONNECTION DIAGRAM 8100 MAIN I O MODULE HARNESS ROUTING EL...

Страница 19: ...6231 SWITCHED GROUND FROM SENSING UNIT REAR 0400 BLACK C4 SWITCHED GROUND FROM LEFT REAR JACK WARNING SWITCH 4000 BLACK C5 NO CONNECTION C6 AND C7 SWITCHED GROUND FROM SENSING UNIT RIGHT SIDE 0300 BLACK C8 D1 6810 12 VOLT POWER FOR I O MODULE FROM LIFT CONTROL PANEL GROUND FOR JACK WARNING SWITCHES WHITE D2 6235 NO CONNECTION D3 SWITCHED GROUND FROM LEFT FRONT JACK WARNING SWITCH 1000 BLACK D4 SWI...

Страница 20: ...500 RIGHT FRONT JACK RETRACT 3400 RIGHT REAR JACK EXTEND 3500 RIGHT REAR JACK RETRACT 4400 LEFT REAR JACK EXTEND 4500 LEFT REAR JACK RETRACT NOTE MOTOR RELAY AND SYSTEM GROUNDS ARE NOT SHOWN SEE ELECTRICAL CONNECTION DIAGRAM MASTER AND PUMP RELAY WIRING FOR CONNECTION INFORMATION SEE ELECTRICAL CONNECTION DIAGRAM 725 SERIES SINGLE STEP LEVELING SYSTEM MAIN I O MODULE HARNESS ROUTING 8100 LR RET RE...

Страница 21: ...RNING BRAKE TRAVEL CANCEL MODE PARK NOT IN EXCESS R SLOPE MANUAL RETRACT EXTEND YELLOW GREEN WIRE COLOR WHITE 5 PIN MTA CONNECTOR 3 4 5 RED PIN 2 1 6800 6230 NUMBER WIRE 12 VOLTS FROM INPUT OUTPUT MODULE CAN SHIELD GROUND FROM CONTROL BOX WIRE DESCRIPTION AND FUNCTION CAN LOW CAN HIGH MP84 3331 PIN 4 PIN 1 2 6 4 3 5 6 PIN UML CONNECTOR 1 SWITCHED GROUND FOR MASTER WARNING BLACK 7699 NO CONNECTION ...

Страница 22: ... 3 PIN 4 PIN 6 PIN 4 PIN 1 PIN 3 PIN 6 UML CONNECTORS PIN 1 PIN 2 PIN 3 PIN 4 PIN 5 PIN 6 5100 6125 NO CONNECTION 6810 5000 8601 SW 12 CANOPY LOWER 12 BATTERY FROM MASTER RELAY SW 12 TO I O MODULE SW 12 CANOPY LIFT SW 12 PUMP REQUEST SEE ELECTRICAL CONNECTION DIAGRAM MAIN I O MODULE HARNESS ROUTING B A 8601 6800 MASTER AND PUMP RELAYS SEE ELECTRICAL CONNECTION DIAGRAM FUSE 15 AMP 6125 P E D A B P ...

Страница 23: ...Y CONTROL GROUND MASTER RELAY MASTER RELAY CONTROL FUSE 40 AMP FUSE 15 AMP TO 12 BATTERY MASTER RELAY CONNECTION DIAGRAM SEE ELECTRICAL CANOPY LIFT 8500 BLACK 6800 WHITE 6230 BLACK 8600 WHITE 6230 PUMP RELAY MOTOR PUMP TO GROUND STUD ON SIDE OF PUMP 6230 WHITE 6230 WHITE SEE ELECTRICAL CONNECTION DIAGRAM MAIN I O MODULE HARNESS ROUTING 6125 ...

Страница 24: ...RONT OF VEHICLE LED B LEFT SIDE OF VEHICLE DRIVER SIDE LED C REAR OF VEHICLE LED D RIGHT SIDE OF VEHICLE PASSENGER SIDE WIRE LEGEND PIN 1 ORANGE BLACK 0400 SWITCHED GROUND WHEN REAR IS LOW PIN 2 WHITE WHITE 6231 GROUND FROM SENSING UNIT PIN 3 RED RED 6121 12 VOLT FOR SENSING UNIT PIN 4 YELLOW BLACK 0100 SWITCHED GROUND WHEN LEFT SIDE IS LOW PIN 5 BLACK BLACK 0200 SWITCHED GROUND WHEN FRONT IS LOW ...

Страница 25: ... a small style 12 volt valve Replace considered when replacing any HWH hydraulic solenoid valve Replace a small style 12 volt Valve size and voltage are still factors to be replacements for all previous styles of The cam release style valves are direct HWH hydraulic solenoid valves 12 volt valve This is true for 24 volt valves also turn out the old valve confirm that no o ring stress on the wires ...

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